idiom

US /ˈɪd.i.əm/
UK /ˈɪd.i.əm/
"idiom" picture
1.

modismo, idioma

a group of words established by usage as having a meaning not deducible from those of the individual words (e.g., rain cats and dogs, see the light).

:
Learning English idioms can be challenging but rewarding.
Aprender modismos en inglés puede ser desafiante pero gratificante.
The phrase 'kick the bucket' is an idiom for dying.
La frase 'estirar la pata' es un modismo para morir.